Nutrition and Dietetics professionals develop nutrition plans and programs in accordance with the principles of nutrition science for the life-long health promotion for community and improving quality of life. Professionals in this field search for nutrition-related health problems, provide proper use of existing food sources, inform individuals and the society to adopt healthy lifestyles physiologically, psychologically and sociologically.

Some of the most important tasks of dietetians are to change poor eating habits which is an important factor in the etiology of common diseases, regulate nutrition contents in the organizations and organise diet plans for patients with chronic diseases.